# Si4Keyboard vs Stitch

The clearest difference is price: Stitch at Free against Si4Keyboard's $0.99. Stitch also leads on iOS requirement (15.0 vs 17.6). On update cadence, ads, in-app purchases and device support there is nothing between them.

Stitch is free to download; Si4Keyboard costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Si4Keyboard ships an update fortnightly, Stitch every 3 weeks. The most recent releases landed on October 25, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Si4Keyboard | Stitch |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Size | 14 MB | 16 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [文焕 陈](https://appshunter.io/developer/1810161184) | [小婷 钟](https://appshunter.io/developer/1487006779) |

## What reviewers say

### Si4Keyboard

[App page](https://appshunter.io/ios/app/si4keyboard/id6745263713)

**Features:** macOS Compatibility

**In-app purchases:** none


### Stitch

[App page](https://appshunter.io/ios/app/stitch-long-screenshot/id6798333966)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Si4Keyboard free?

Si4Keyboard costs $0.99, with no in-app purchases.

### Is Stitch free?

Stitch is free to download, with no in-app purchases.

### Do Si4Keyboard or Stitch have ads?

Neither Si4Keyboard nor Stitch shows ads.

### Which is updated more often, Si4Keyboard or Stitch?

Si4Keyboard ships an update fortnightly, and Stitch every 3 weeks. Most recently, Si4Keyboard was updated on October 25, 2026 and Stitch on October 29, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*